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以下是:宁德福安16mn钢管质量保证老牌厂家的图文介绍
宁德福安厚壁大口径无缝钢管
惠荣特钢有限公司
当地货源质量三包
宁德福安厚壁大口径无缝钢管的详细介绍
欢迎合作品质保障
分类
16Mn为无缝钢管中的一种材质。
ABCD表示质量等级 Q235质量等级分为A、B、C、D四级，由A到D表示质量由低到高。不同质量等级要求如下： A——提供S、P、C、Mn、Si化学成分和fu、fy、δ5（δ10），根据买方需要可提供1800冷弯试验，但无冲击功规定，含炭量和含锰量不作为交货条件。 B——提供S、P、C、Mn、Si化学成分和fu、fy、δ5（δ10），冷弯180‘试验。还提供+200C时冲击功Ak≥27J C——除与B级要求一样外，还提供00C时冲击功Ak≥27J。 D----除与B级要求一样外，还提供-200C时冲击功Ak≥27J E——除与B级要求一样外，还提供-400C时冲击功Ak≥27J。
尺寸偏差
|
偏差等级
|
标准化外径允许偏差
|
|
D1
|
±1.5%，小±0.75 mm
|
|
D2
|
±1.0%。小±0.50 mm
|
|
D3
|
±0.75%．小±0.30 mm
|
|
D4
|
±0.50%。小±0.10 mm
|
|
布氏硬度(HB)10mm3000kgf
|
维
氏
硬
度
(HV)
|
洛氏硬度(3)
|
肖
氏
硬
度
(HS)
|
抗拉强度
(近似值)MPa(2)
|
|
标准球
|
碳化钨球
|
洛氏硬度A
载荷60kgf
金刚石圆锥
压印头
(HRA)
|
洛氏硬度B
载荷100kgf
刚球Ø1.6mm球
(1/16in)
(HRB)
|
洛氏硬度C
载荷100kgf
金刚石圆锥
压印头
(HRC)
|
洛氏硬度D
载荷150kgf
金刚石圆锥
压印头
(HRD)
|
|
-
|
-
|
940
|
85.6
|
-
|
68.0
|
76.9
|
97
|
-
|
|
-
|
-
|
920
|
85.3
|
-
|
67.5
|
76.5
|
96
|
-
|
|
-
|
-
|
900
|
85.0
|
-
|
67.0
|
76.1
|
95
|
-
|
|
-
|
(767)
|
880
|
84.7
|
-
|
66.4
|
75.7
|
93
|
-
|
|
-
|
(757)
|
860
|
84.4
|
-
|
65.9
|
75.3
|
92
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
(745)
|
840
|
84.1
|
-
|
65.3
|
74.8
|
91
|
-
|
|
-
|
(733)
|
820
|
83.8
|
-
|
64.7
|
74.3
|
90
|
-
|
|
-
|
(722)
|
800
|
83.4
|
-
|
64.0
|
73.8
|
88
|
-
|
|
-
|
(712)
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
-
|
(710)
|
780
|
83.0
|
-
|
63.3
|
73.3
|
87
|
-
|
|
-
|
(698)
|
760
|
82.6
|
-
|
62.5
|
72.6
|
86
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
(684)
|
740
|
82.2
|
-
|
61.8
|
72.1
|
-
|
-
|
|
-
|
(682)
|
737
|
82.2
|
-
|
61.7
|
72.0
|
84
|
-
|
|
-
|
(670)
|
720
|
81.8
|
-
|
61.0
|
71.5
|
83
|
-
|
|
-
|
(656)
|
700
|
81.3
|
-
|
60.1
|
70.8
|
-
|
-
|
|
-
|
(653)
|
697
|
81.2
|
-
|
60.0
|
70.7
|
81
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
(647)
|
690
|
81.1
|
-
|
59.7
|
70.5
|
-
|
-
|
|
-
|
(638)
|
680
|
80.8
|
-
|
59.2
|
70.1
|
80
|
-
|
|
-
|
630
|
670
|
80.6
|
-
|
58.8
|
69.8
|
-
|
-
|
|
-
|
627
|
667
|
80.5
|
-
|
58.7
|
69.7
|
79
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
-
|
677
|
80.7
|
-
|
59.1
|
70.0
|
-
|
-
|
|
-
|
601
|
640
|
79.8
|
-
|
57.3
|
68.7
|
77
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
-
|
640
|
79.8
|
-
|
57.3
|
68.7
|
-
|
-
|
|
-
|
578
|
615
|
79.1
|
-
|
56.0
|
67.7
|
75
|
-
|
|
|
|
|
|
|
|
|
|
|
|
-
|
-
|
607
|
78.8
|
-
|
55.6
|
67.4
|
-
|
-
|
|
-
|
555
|
591
|
78.4
|
-
|
54.7
|
66.7
|
73
|
2055
|
|
|
|
|
|
|
|
|
|
|
|
-
|
-
|
579
|
78.0
|
-
|
54.0
|
66.1
|
-
|
2015
|
|
-
|
534
|
569
|
77.8
|
-
|
53.5
|
65.8
|
71
|
1985
|
|
|
|
|
|
|
|
|
|
|
|
-
|
-
|
533
|
77.1
|
-
|
52.5
|
65.0
|
-
|
1915
|
|
-
|
514
|
547
|
76.9
|
-
|
52.1
|
64.7
|
70
|
1890
|
|
|
|
|
|
|
|
|
|
|
|
(495)
|
-
|
539
|
76.7
|
-
|
51.6
|
64.3
|
-
|
1855
|
|
-
|
-
|
530
|
76.4
|
-
|
51.1
|
63.9
|
-
|
1825
|
|
-
|
495
|
528
|
76.3
|
-
|
51.0
|
63.8
|
68
|
1820
|
|
|
|
|
|
|
|
|
|
|
|
(477)
|
-
|
516
|
75.9
|
-
|
50.3
|
63.2
|
-
|
1780
|
|
-
|
-
|
508
|
75.6
|
-
|
49.6
|
62.7
|
-
|
1740
|
|
-
|
477
|
508
|
75.6
|
-
|
49.6
|
62.7
|
66
|
1740
|
|
|
|
|
|
|
|
|
|
|
|
(461)
|
-
|
495
|
75.1
|
-
|
48.8
|
61.9
|
-
|
1680
|
|
-
|
-
|
491
|
74.9
|
-
|
48.5
|
61.7
|
-
|
1670
|
|
-
|
461
|
491
|
74.9
|
-
|
48.5
|
61.7
|
65
|
1670
|
|
|
|
|
|
|
|
|
|
|
|
444
|
-
|
474
|
74.3
|
-
|
47.2
|
61.0
|
-
|
1595
|
|
-
|
-
|
472
|
74.2
|
-
|
47.1
|
60.8
|
-
|
1585
|
|
-
|
444
|
472
|
74.2
|
-
|
47.1
|
60.8
|
63
|
1585
|
|
|
|
|
|
|
|
|
|
|
|
429
|
429
|
455
|
73.4
|
-
|
45.7
|
59.7
|
61
|
1510
|
|
415
|
415
|
440
|
72.8
|
-
|
44.5
|
58.8
|
59
|
1460
|
|
401
|
401
|
425
|
72.0
|
-
|
43.1
|
57.8
|
58
|
1390
|
|
388
|
388
|
410
|
71.4
|
-
|
41.8
|
56.8
|
56
|
1330
|
|
375
|
375
|
396
|
70.6
|
-
|
40.4
|
55.7
|
54
|
1270
|
|
|
|
|
|
|
|
|
|
|
|
363
|
363
|
383
|
70.0
|
-
|
39.1
|
54.6
|
52
|
1220
|
|
352
|
352
|
372
|
69.3
|
(110.0)
|
37.9
|
53.8
|
51
|
1180
|
|
341
|
341
|
360
|
68.7
|
(109.0)
|
36.6
|
52.8
|
50
|
1130
|
|
331
|
331
|
350
|
68.1
|
(108.5)
|
35.5
|
51.9
|
48
|
1095
|
|
321
|
321
|
339
|
67.5
|
(108.0)
|
34.3
|
51.0
|
47
|
1060
|
|
|
|
|
|
|
|
|
|
|
|
311
|
311
|
328
|
66.9
|
(107.5)
|
33.1
|
50.0
|
46
|
1025
|
|
302
|
302
|
319
|
66.3
|
(107.0)
|
32.1
|
49.3
|
45
|
1005
|
|
293
|
293
|
309
|
65.7
|
(106.0)
|
30.9
|
48.3
|
43
|
970
|
|
285
|
285
|
301
|
65.3
|
(105.5)
|
29.9
|
47.6
|
-
|
950
|
|
277
|
277
|
292
|
64.6
|
(104.5)
|
28.8
|
46.7
|
41
|
925
|
|
|
|
|
|
|
|
|
|
|
|
269
|
269
|
284
|
64.1
|
(104.0)
|
27.6
|
45.9
|
40
|
895
|
|
262
|
262
|
276
|
63.6
|
(103.0)
|
26.6
|
45.0
|
39
|
875
|
|
255
|
255
|
269
|
63.0
|
(102.0)
|
25.4
|
44.2
|
38
|
850
|
|
248
|
248
|
261
|
62.5
|
(101.0)
|
24.2
|
43.2
|
37
|
825
|
|
241
|
241
|
253
|
61.8
|
100
|
22.8
|
42.0
|
36
|
800
|
|
|
|
|
|
|
|
|
|
|
|
235
|
235
|
247
|
61.4
|
99.0
|
21.7
|
41.4
|
35
|
785
|
|
229
|
229
|
241
|
60.8
|
98.2
|
20.5
|
40.5
|
34
|
765
|
|
223
|
223
|
234
|
-
|
97.3
|
(18.8)
|
-
|
-
|
|
|
217
|
217
|
228
|
-
|
96.4
|
(17.5)
|
-
|
33
|
725
|
|
212
|
212
|
222
|
-
|
95.5
|
(16.0)
|
-
|
-
|
705
|
|
|
|
|
|
|
|
|
|
|
|
207
|
207
|
218
|
-
|
94.6
|
(15.2)
|
-
|
32
|
690
|
|
201
|
201
|
212
|
-
|
93.8
|
(13.8)
|
-
|
31
|
675
|
|
197
|
197
|
207
|
-
|
92.8
|
(12.7)
|
-
|
30
|
655
|
|
192
|
192
|
202
|
-
|
91.9
|
(11.5)
|
-
|
29
|
640
|
|
187
|
187
|
196
|
-
|
90.7
|
(10.0)
|
-
|
-
|
620
|
|
|
|
|
|
|
|
|
|
|
|
183
|
183
|
192
|
-
|
90.0
|
(9.0)
|
-
|
28
|
615
|
|
179
|
179
|
188
|
-
|
89.0
|
(8.0)
|
-
|
27
|
600
|
|
174
|
174
|
182
|
-
|
87.8
|
(6.4)
|
-
|
-
|
585
|
|
170
|
170
|
178
|
-
|
86.8
|
(5.4)
|
-
|
26
|
570
|
|
167
|
167
|
175
|
-
|
86.0
|
(4.4)
|
-
|
-
|
560
|
|
|
|
|
|
|
|
|
|
|
|
163
|
163
|
171
|
-
|
85.0
|
(3.3)
|
-
|
25
|
545
|
|
156
|
156
|
163
|
-
|
82.9
|
(0.9)
|
-
|
-
|
525
|
|
149
|
149
|
156
|
-
|
80.8
|
-
|
-
|
23
|
505
|
|
143
|
143
|
150
|
-
|
78.7
|
-
|
-
|
22
|
490
|
|
137
|
137
|
143
|
-
|
76.4
|
-
|
-
|
21
|
460
|
|
|
|
|
|
|
|
|
|
|
|
131
|
131
|
137
|
-
|
74.0
|
-
|
-
|
-
|
450
|
|
126
|
126
|
132
|
-
|
72.0
|
-
|
-
|
20
|
435
|
|
121
|
121
|
127
|
-
|
69.8
|
-
|
-
|
19
|
415
|
|
116
|
116
|
122
|
-
|
67.6
|
-
|
-
|
18
|
400
|
|
111
|
111
|
117
|
-
|
65.7
|
-
|
-
|
15
|
385
|
